create_ui_policy

Create a new UI Policy to control field behavior dynamically (requires SCRIPTING_ENABLED=true)

SERVERServiceNow-MCP SOURCEtedorigawa001/servicenow-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/tedorigawa001-servicenow-mcp/create-ui-policy.md

WHAT IT DOES

What create_ui_policy does on ServiceNow-MCP

AI agents use create_ui_policy to create or update resources in ServiceNow-MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ServiceNow-MCP environment.

RISK

Why create_ui_policy is rated Medium

This tool creates a new UI Policy in ServiceNow, which is a Write operation. However, the requirement for SCRIPTING_ENABLED=true indicates the policy may contain scripts that execute dynamically in the UI context. UI Policies can control field visibility, mandatory status, and read-only behavior across forms, giving them broad impact.

From the tool's definition 'Create a new UI Policy to control field behavior dynamically' — creates a new policy object; requires SCRIPTING_ENABLED=true suggests potential script execution capability

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_ui_policy safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceNow-MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_ui_policy, this is the rule to start with:

create_ui_policy Rate-limited

create_ui_policy stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_ui_policy": {
      "limits": [
        {
          "counter": "create_ui_policy_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow-MCP, apply this rule, and every create_ui_policy call is checked against it from then on.

FAQ

Questions about create_ui_policy

What does the create_ui_policy tool do? +

Create a new UI Policy to control field behavior dynamically (requires SCRIPTING_ENABLED=true). It is categorised as a Write tool in the ServiceNow-MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_ui_policy? +

Register the ServiceNow MCP server in PolicyLayer and add a rule for create_ui_policy: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches ServiceNow-MCP. Nothing to install.

What risk level is create_ui_policy? +

create_ui_policy is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_ui_policy? +

Yes. Add a rate_limit block to the create_ui_policy rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block create_ui_policy completely? +

Set action: deny in the PolicyLayer policy for create_ui_policy. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides create_ui_policy? +

create_ui_policy is provided by the ServiceNow MCP server (tedorigawa001/servicenow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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